> Pedro Cardoso wrote:
> 
> Using a Macbook pro OSx 10.9.5 , 16Gb of memory, 9Gb used, whith python 
> taking 2.7Gb.
> 
> Process info : 
> pedro             879   0.1 18.5  5600640 3097892 s003  S+   10:32AM   
> 3:08.49 .../anaconda/envs/prod/python.app/Contents/MacOS/python 
> .../anaconda/envs/prod/bin/ipython
> 
> CPU usage is zero for the process. 

Mmm.. ok, but what about `htop`? If you don't have htop installed, you could 
get it via Homebrew: `brew install htop-osx`.

Your problem seems related to some unexpected behaviour of multiprcessing / 
joblib, thus having information on the different running (?) jobs, is 
fundamental to understand what's happening.

Btw, information about the ipython process is not very informative. Please try 
to replicate your code in a separate python script and run it.

If the corresponding python process will still show a zero percentage of CPU 
usage, it could probably due to some memory leakage somewhere in your code… but 
it's hard to tell..

First of all, I would try repeating the computation with a smaller array. Have 
you tried?  A zero CPU usage could also be the likely effect of memory 
swapping….

HTH,
V.





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